Files
PyTaiko/libs/parsers/osz.py

244 lines
9.0 KiB
Python

import hashlib
import logging
import math
import random
from collections import deque
from dataclasses import dataclass, field, fields
from enum import IntEnum
from functools import lru_cache
from pathlib import Path
from typing import Optional
from libs.global_data import Modifiers
from libs.utils import strip_comments
from libs.tja import TimelineObject, Note, NoteType, Drumroll, Balloon, NoteList, CourseData, ParserState
import re
class OsuParser:
general: dict[str, str]
editor: dict[str, str]
metadata: dict[str, str]
difficulty: dict[str, str]
events: list[int]
timing_points: list[int]
hit_objects: list[int]
bpm: list[int]
def __init__(self, osu_file):
self.general = self.read_osu_data(osu_file, target_header="General", is_dict=True)
self.editor = self.read_osu_data(osu_file, target_header="Editor", is_dict=True)
self.metadata = self.read_osu_data(osu_file, target_header="Metadata", is_dict=True)
self.difficulty = self.read_osu_data(osu_file, target_header="Difficulty", is_dict=True)
self.events = self.read_osu_data(osu_file, target_header="Events")
self.timing_points = self.read_osu_data(osu_file, target_header="TimingPoints")
#self.general = self.read_osu_data(osu_file, target_header="Colours", is_dict=True)
self.hit_objects = self.read_osu_data(osu_file, target_header="HitObjects")
self.bpm = []
for points in self.timing_points:
self.bpm.append(math.floor(1 / points[1] * 1000 * 60))
self.osu_NoteList = self.note_data_to_NoteList(self.hit_objects)
def read_osu_data(self, file_path, target_header="HitObjects", is_dict = False):
data = []
if is_dict:
data = {}
current_header = None
with file_path.open(mode='r', encoding='utf-8') as f:
for line in f:
line = line.rstrip("\n")
if re.match(r"\[\w*\]", line): # header pattern
current_header = line[1:-1]
if current_header == target_header:
if re.match(r"[-+]?\d*\.?\d+" , line): # Events, TimingPoints, HitObjects
string_array = re.findall(r"[-+]?\d*\.?\d+" , line) # search for floats
int_array = [float(num_str) for num_str in string_array]
data.append(int_array)
if re.match(r'(\w*)\:\s?(\w*.?\w*)', line): # General, Editor, Metadata, Difficulty
match = re.search(r'(\w*)\:\s?(\w*.?\w*)', line)
if match:
data[match.group(1)] = match.group(2)
else:
continue
return data
def note_data_to_NoteList(self, note_data):
osu_NoteList = NoteList()
counter = 0
for line in note_data:
if (line[3] == 1 or line[3] == 4 or line[3] == 5 or line[3] == 6) and line[4] == 0: # DON
don = Note()
don.type = NoteType(1)
don.hit_ms = line[2]
don.bpm = self.bpm[0]
don.scroll_x = 1
don.scroll_y = 0
don.display = True
don.index = counter
counter = counter + 1
don.moji = 0
osu_NoteList.play_notes.append(don)
if (line[3] == 1 or line[3] == 4 or line[3] == 5 or line[3] == 6) and (line[4] == 2 or line[4] == 8): # KAT
kat = Note()
kat.type = NoteType(2)
kat.hit_ms = line[2]
kat.bpm = self.bpm[0]
kat.scroll_x = 1
kat.scroll_y = 0
kat.display = True
kat.index = counter
counter = counter + 1
kat.moji = 1
osu_NoteList.play_notes.append(kat)
if (line[3] == 1 or line[3] == 4 or line[3] == 5 or line[3] == 6) and line[4] == 4: # L-DON
don = Note()
don.type = NoteType(3)
don.hit_ms = line[2]
don.bpm = self.bpm[0]
don.scroll_x = 1
don.scroll_y = 0
don.display = True
don.index = counter
counter = counter + 1
don.moji = 0
osu_NoteList.play_notes.append(don)
if (line[3] == 1 or line[3] == 4 or line[3] == 5 or line[3] == 6) and (line[4] == 6 or line[4] == 12): # L-KAT
kat = Note()
kat.type = NoteType(4)
kat.hit_ms = line[2]
kat.bpm = self.bpm[0]
kat.scroll_x = 1
kat.scroll_y = 0
kat.display = True
kat.index = counter
counter = counter + 1
kat.moji = 1
osu_NoteList.play_notes.append(kat)
if (line[3] == 2) and (line[4] == 0): # Drum Roll
if len(line) >= 9:
slider_time = line[8] / (float(self.difficulty["SliderMultiplier"]) * 100) * self.timing_points[0][1]
else:
slider_time = line[6] / (float(self.difficulty["SliderMultiplier"]) * 100) * self.timing_points[0][1]
source = Note()
source.type = NoteType(8)
source.hit_ms = line[2] + slider_time
source.bpm = self.bpm[0]
source.scroll_x = 1
source.scroll_y = 0
source.display = True
# this is where the index would be if it wasn't a tail note
source.moji = 0
slider = Drumroll(source)
slider.color = 255
slider.type = NoteType(5)
slider.hit_ms = line[2]
slider.bpm = self.bpm[0]
slider.scroll_x = 1
slider.scroll_y = 0
slider.display = True
slider.index = counter
counter = counter + 1
source.index = counter
counter = counter + 1
osu_NoteList.play_notes.append(slider)
osu_NoteList.play_notes.append(source)
if (line[3] == 2) and (line[4] == 4): # L-Drum Roll
if len(line) >= 9:
slider_time = line[8] / (float(self.difficulty["SliderMultiplier"]) * 100) * self.timing_points[0][1]
else:
slider_time = line[6] / (float(self.difficulty["SliderMultiplier"]) * 100) * self.timing_points[0][1]
source = Note()
source.type = NoteType(8)
source.hit_ms = line[2] + slider_time
source.bpm = self.bpm[0]
source.scroll_x = 1
source.scroll_y = 0
source.display = True
# this is where the index would be if it wasn't a tail note
source.moji = 0
slider = Drumroll(source)
slider.color = 255
slider.type = NoteType(6)
slider.hit_ms = line[2]
slider.bpm = self.bpm[0]
slider.scroll_x = 1
slider.scroll_y = 0
slider.display = True
slider.index = counter
counter = counter + 1
source.index = counter
counter = counter + 1
osu_NoteList.play_notes.append(slider)
osu_NoteList.play_notes.append(source)
if (line[3] == 8): # Balloon
source = Note()
source.type = NoteType(8)
source.hit_ms = line[5]
source.bpm = self.bpm[0]
source.scroll_x = 1
source.scroll_y = 0
source.display = True
#source.index = counter
#counter = counter + 1
source.moji = 0
balloon = Balloon(source)
balloon.type = NoteType(7)
balloon.hit_ms = line[2]
balloon.bpm = self.bpm[0]
balloon.scroll_x = 1
balloon.scroll_y = 0
balloon.display = True
balloon.index = counter
counter = counter + 1
balloon.moji = 0
od = int(self.difficulty["OverallDifficulty"])
# thank you https://github.com/IepIweidieng/osu2tja/blob/dev-iid/osu2tja/osu2tja.py
hit_multiplyer = (5 - 2 * (5 - od) / 5 if od < 5
else 5 + 2.5 * (od - 5) / 5 if od > 5
else 5) * 1.65
balloon.count = 20#int(max(1, (ret[-1][1] - ret[-2][1]) / 1000 * hit_multiplier))
# end of 'stolen' code
source.index = counter
counter = counter + 1
osu_NoteList.play_notes.append(balloon)
osu_NoteList.play_notes.append(source)
osu_NoteList.draw_notes = osu_NoteList.play_notes.copy()
return osu_NoteList